Goodwill - Narrative (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2022
USD ($)
reportingUnit
|
Jan. 01, 2022
USD ($)
|
|
| Goodwill | ||
| Number of reporting units with goodwill | reportingUnit | 10 | |
| Goodwill, impairment loss | $ | $ 0 | |
| Summit Materials, LLC | ||
| Goodwill | ||
| Number of reporting units with goodwill | reportingUnit | 10 | |
| Goodwill, impairment loss | $ | $ 0 | |
| X | ||||||||||
- Definition Represents the number of reporting units subject to goodwill impairment testing. No definition available.
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| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Details
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